Sony have announced a game by Mike Bithell is coming out on both PS3 and PS Vita. Thomas Was Alone. Coming Soon, with Cross Buy so you buy it on one platform and get the other for free, Thomas Was Alone is a game about rectangles and friendship. Mike made the game in his free time and after it got a following on the internet he worked with Sony, Bossa and Curve to bring it to PlayStation.
The goal in Thomas Was Alone is simple, get all the characters to their exit portals. each character has a skill that can help another get to it's portal. Mike has also announced new creators Commentary is coming to the game as well as DLC which features a square getting a jetpack.
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Source: EU PlayStation Blog